out of date
Definition
- Adjective:
- No longer current or modern: "out of date" describes something that is obsolete, old-fashioned, or no longer in common use due to being superseded by newer developments.
- Expired or invalid: In specific contexts, it can refer to something that has passed its period of validity, such as a ticket, passport, or license.
Usage Examples
- (No longer current or modern.)
- (Old-fashioned and irrelevant.)
- (Expired, no longer safe to consume.)
- (No longer legally valid.)
Advanced Usage
"to go out of date": to become obsolete or unfashionable.
- That style of clothing went out of date years ago. (It is no longer fashionable.)
"to be out of date with something": to be unaware of recent developments.
- She is out of date with the latest technology trends. (She lacks current knowledge.)
Variants and Related Words
Outdated (adj): a synonym, meaning no longer in style or use.
- The software is outdated and needs an upgrade. (It is obsolete.)
Date (n): a particular day or time; also, a romantic meeting.
- What is the date today? (The current day.)
Synonyms
- Obsolete: no longer produced or used; out of fashion.
- Antiquated: very old-fashioned or outdated.
- Archaic: belonging to an earlier period; no longer used in modern language.
Phrasal Verbs
- Date back: to have existed since a particular time (not a direct phrasal verb for "out of date").
- This building dates back to the 18th century. (It originates from that time.)
Related Idioms
Behind the times: not modern or up-to-date.
- His teaching methods are behind the times. (They are outdated.)
Past its sell-by date: no longer useful or effective (often used for ideas or products).
- That theory is past its sell-by date. (It is no longer relevant.)